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McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices
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McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

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Page 1: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Chapter 21

Networking and

Internetworking Devices

Page 2: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-1

Connecting Devices

Page 3: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-2

Connecting Devices and the OSI Model

Page 4: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-3

A Repeater in the OSI Model

Page 5: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-4

A Repeater

Page 6: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-5

Function of a Repeater

Page 7: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-6

A Bridge in the OSI Model

Page 8: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-7

A Bridge

Page 9: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-8

Function of a Bridge

Page 10: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-9

Multiport Bridge

Page 11: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-10

A Router in the OSI Model

Page 12: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-11

Routers in an Internet

Page 13: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-12

A Gateway in the OSI Model

Page 14: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-13

A Gateway

Page 15: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-14 Single-Protocol versus Multiprotocol Router

Page 16: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-15Brouter

Page 17: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-16

Switch

Page 18: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-17

Example of an Internet

Page 19: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-18 The Concept of Distance Vector Routing

Page 20: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-19

Distance Vector Routing Table

Page 21: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-20

Routing Table Distribution

Page 22: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-21

Updating Routing Table for Router A

Page 23: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-22 Final Routing Tables

Page 24: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-23

Example 21.1

Page 25: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-24

Concept of Link State Routing

Page 26: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-25

Cost in Link State Routing

Page 27: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-26

Link State Packet

Page 28: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-27

Flooding of A’s LSP

Page 29: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-28

Link State Database

Page 30: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-29

Costs in the Dijkstra Algorithm

Page 31: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-30, Part I

Shortest Path Calculation, Part I

Page 32: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-30, Part II

Shortest Path Calculation, Part II

Page 33: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-30, Part III

Shortest Path Calculation, Part III

Page 34: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-30, Part IV

Shortest Path Calculation, Part IV

Page 35: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-30, Part V

Shortest Path Calculation, Part V

Page 36: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-30, Part VI

Shortest Path Calculation, Part VI

Page 37: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-31, Part VII

Shortest Path Calculation, Part VII

Page 38: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-31, Part I

Shortest Path Calculation, Part VIII

Page 39: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-31, Part II

Shortest Path Calculation, Part IX

Page 40: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-31, Part III

Shortest Path Calculation, Part X

Page 41: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-31, Part IV

Shortest Path Calculation, Part XI

Page 42: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-31, Part V

Shortest Path Calculation, Part XII

Page 43: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Figure 21-31, Part VI

Shortest Path Calculation, Part XIII

Page 44: McGraw-Hill©The McGraw-Hill Companies, Inc., 2001 Chapter 21 Networking and Internetworking Devices.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2001

Routing Table for Router AFigure 21-32


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